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Most Recent Articles
Wulfenite Value, Price, and Jewelry Information
Although aesthetically magnificent wulfenite crystals are often too thin, soft, and sensitive to cut for jewelry, rare faceted pieces are greatly prized by collectors. The red of wulfenite, especially from the Red Cloud Mine in Arizona, is one of the richest colors in nature.
A Simple Method for Transposing Faceting Angles
Can something akin to a slide rule help novice faceters today with transposing faceting angles from published gem designs? Check out the calculation-free nomogram method.
What Is Gemstone Transparency?
Gemstone transparency describes how much light passes through a gem and how it scatters. Learn what causes a gem to be opaque, translucent, or transparent.
The Foundation Stones of the New Testament
Commentaries on the foundation stones of the Book of Revelation influenced the development of the Western birthstone system. Learn more about this connection.
Wavellite Value, Price, and Jewelry Information
Wavellite is a very attractive mineral, well-known to collectors. Its radial aggregate crystal clusters can be cut into extremely interesting stones.
How to Calculate the Jeweler’s Markup for Gold Jewelry
If you learn the meaning of the trade terms for gold weight and karat, you can calculate the gold content value of any item as well as the jeweler’s markup.
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